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CVE-2018-4878

Known Exploited (CISA KEV)HIGH
7.8
CVSS Severity Score
EPSS Score52.6350%
EPSS Percentile91.64th
PublishedFeb 6, 2018
Last ModifiedNov 18, 2025

Vulnerability Description

A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

Affected Platforms (CPE)

📦
Adobe

Flash Player

< 28.0.0.161
💻
Redhat

Enterprise Linux Desktop

= 6.0
💻
Redhat

Enterprise Linux Server

= 6.0
💻
Redhat

Enterprise Linux Workstation

= 6.0
📦
Adobe

Flash Player

< 28.0.0.161
📦
Adobe

Flash Player

< 28.0.0.161
📦
Adobe

Flash Player

< 28.0.0.161

References & Advisories

🔗 http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html
🔗 http://www.securityfocus.com/bid/102893
🔗 http://www.securitytracker.com/id/1040318
🔗 https://access.redhat.com/errata/RHSA-2018:0285
🔗 https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign
🔗 https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day
🔗 https://github.com/vysec/CVE-2018-4878
🔗 https://helpx.adobe.com/security/products/flash-player/apsb18-03.html

Related Vulnerabilities

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Buffer overflow in Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 ...

CVE-2012-525610.0

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CVE-2012-525410.0

Buffer overflow in Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 ...

CVE-2012-525710.0

Buffer overflow in Adobe Flash Player before 10.3.183.29 and 11.x before 11.4.402.287 on Windows and Mac OS X, before 10.3.183.29 ...